/* ============================================================
   Xipeng Qiu — Academic Homepage
   Modern academic style, Jekyll-driven
   ============================================================ */

:root {
  /* Palette — restrained, scholarly */
  --c-bg:        #ffffff;
  --c-surface:   #f7f8fa;
  --c-surface-2: #eef1f5;
  --c-border:    #e2e6ec;
  --c-text:      #1f2937;
  --c-muted:     #64748b;
  --c-heading:   #0f172a;
  --c-link:      #1d4ed8;
  --c-link-h:    #1e3a8a;
  --c-accent:    #b91c1c;     /* used very sparingly: highlight inline */
  --c-rule:      #d8dde4;

  /* Typography */
  --f-serif: "Source Serif Pro", "Source Serif 4", "Noto Serif SC",
             "Songti SC", "STSong", Georgia, "Times New Roman", serif;
  --f-sans:  -apple-system, BlinkMacSystemFont, "Segoe UI",
             "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
             "Source Han Sans CN", "Noto Sans CJK SC",
             "Helvetica Neue", Helvetica, Arial, sans-serif;
  --f-mono:  ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.06);

  --radius-sm: 4px;
  --radius:    8px;
  --radius-lg: 12px;
}

/* -------- Reset -------- */
*, *::before, *::after { box-sizing: border-box; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--f-sans);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--c-text);
  background: var(--c-surface);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; height: auto; display: block; }

/* -------- Links -------- */
a:link, a:visited {
  color: var(--c-link);
  text-decoration: none;
  transition: color 0.15s ease;
}
a:hover { color: var(--c-link-h); text-decoration: underline; text-underline-offset: 2px; }

/* -------- Typography -------- */
h1, h2, h3, h4, h5, h6 {
  color: var(--c-heading);
  font-family: var(--f-sans);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
}
h1 { font-size: clamp(1.8rem, 3vw, 2.25rem); line-height: 1.25; }
h2 {
  font-size: 1.2rem;
  font-weight: 600;
  margin: 2rem 0 0.85rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--c-rule);
  position: relative;
  color: var(--c-heading);
}
h2::before {
  content: "";
  position: absolute;
  left: 0; bottom: -1px;
  width: 2.5rem;
  height: 2px;
  background: var(--c-heading);
  border-radius: 1px;
}
h3 { font-size: 1.05rem; margin: 1.25rem 0 0.5rem; color: var(--c-heading); }
h4 { font-size: 0.95rem; margin: 1rem 0 0.4rem; color: var(--c-muted); text-transform: uppercase; letter-spacing: 0.05em; }
p  { margin: 0.6rem 0; line-height: 1.75; }
ol, ul { padding-left: 1.5rem; margin: 0.5rem 0 1rem; }
li { margin: 0.35rem 0; }
strong { font-weight: 600; color: var(--c-heading); }
hr {
  border: 0;
  border-top: 1px solid var(--c-rule);
  margin: 2rem 0;
}

/* -------- Highlight -------- */
.hl {
  color: var(--c-accent);
  font-weight: 600;
}

/* -------- Page shell -------- */
.page {
  max-width: 1200px;
  margin: 0 auto;
  background: var(--c-bg);
  box-shadow: var(--shadow-md);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* -------- Header -------- */
.site-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  padding: 1.5rem 2rem 1.25rem;
  border-bottom: 1px solid var(--c-border);
  background: var(--c-bg);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: saturate(150%) blur(6px);
  background-color: rgba(255, 255, 255, 0.92);
}
.site-header__brand {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.4rem 0.85rem;
  min-width: 0;
}
.site-header__name {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--c-heading) !important;
  letter-spacing: -0.01em;
}
.site-header__name:hover { text-decoration: none; color: var(--c-link) !important; }
.site-header__role {
  font-size: 0.9rem;
  color: var(--c-muted);
  line-height: 1.5;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  font-size: 0.92rem;
}
.site-nav a {
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-sm);
  color: var(--c-muted);
  transition: background 0.15s ease, color 0.15s ease;
}
.site-nav a:hover {
  background: var(--c-surface);
  color: var(--c-heading);
  text-decoration: none;
}
.site-nav a.is-current {
  color: var(--c-heading);
  font-weight: 600;
  background: var(--c-surface);
}

/* -------- Main + sidebar layout -------- */
.page__main {
  flex: 1;
  display: block;
}

.layout-with-sidebar {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}
@media (min-width: 880px) {
  .layout-with-sidebar {
    grid-template-columns: 260px 1fr;
  }
}

.layout-content {
  padding: 2rem 2.25rem 3rem;
  min-width: 0;
}
@media (max-width: 640px) {
  .layout-content { padding: 1.5rem 1.25rem 2rem; }
}

/* -------- Sidebar -------- */
.sidebar {
  padding: 2rem 1.5rem 2rem;
  border-right: 1px solid var(--c-border);
  background: var(--c-bg);
}
@media (max-width: 879px) {
  .sidebar {
    border-right: none;
    border-bottom: 1px solid var(--c-border);
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 1.25rem;
    align-items: start;
    padding: 1.5rem 1.25rem;
  }
}
@media (max-width: 480px) {
  .sidebar {
    grid-template-columns: 1fr;
    text-align: left;
  }
}

.sidebar__photo {
  width: 100%;
  max-width: 220px;
  margin: 0 auto 1rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  display: block;
}
@media (max-width: 879px) {
  .sidebar__photo { margin: 0; max-width: 140px; }
}

.sidebar__section { margin-top: 1.4rem; }
@media (max-width: 879px) {
  .sidebar__section { margin-top: 1rem; }
  .sidebar > .sidebar__photo { grid-row: span 4; }
}
.sidebar__section:first-of-type { margin-top: 0; }

.sidebar h2 {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--c-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-bottom: 1px solid var(--c-rule);
  padding-bottom: 0.4rem;
  margin: 0 0 0.7rem;
}
.sidebar h2::before { display: none; }

.sidebar__links {
  list-style: none;
  padding: 0;
  margin: 0;
}
.sidebar__links li { margin: 0.1rem 0; }
.sidebar__links a {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.35rem 0;
  color: var(--c-text);
  font-size: 0.95rem;
}
.sidebar__links a:hover {
  color: var(--c-link);
  text-decoration: none;
}
.sidebar__links i {
  color: var(--c-muted);
  font-size: 1.05rem;
  transition: color 0.15s ease;
}
.sidebar__links a:hover i { color: var(--c-link); }

.sidebar__contact {
  font-size: 0.86rem;
  color: var(--c-muted);
  line-height: 1.55;
  margin: 0;
}

/* Book card inside sidebar */
.sidebar__book-cover {
  display: block;
  margin: 0.25rem 0 0.6rem;
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.sidebar__book-cover img {
  width: 100%;
  max-width: 180px;
  display: block;
  transition: transform 0.2s ease;
}
.sidebar__book-cover:hover img { transform: translateY(-1px); }
.sidebar__book-title {
  margin: 0.25rem 0 0.15rem;
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.4;
}
.sidebar__book-title a { color: var(--c-heading); }
.sidebar__book-title a:hover { color: var(--c-link); text-decoration: none; }
.sidebar__book-link {
  margin: 0;
  font-size: 0.82rem;
  color: var(--c-muted);
}
.sidebar__book-link a { color: var(--c-muted); }
.sidebar__book-link a:hover { color: var(--c-link); }

@media (max-width: 879px) {
  /* On narrow viewport (stacked sidebar), keep book compact */
  .sidebar__book-cover img { max-width: 120px; }
}

/* -------- Hero / Lede -------- */
.hero {
  padding: 0.5rem 0 1.5rem;
}
.hero__title {
  font-family: var(--f-serif);
  font-weight: 600;
  font-size: clamp(1.75rem, 3.2vw, 2.2rem);
  color: var(--c-heading);
  margin: 0 0 0.4rem;
  letter-spacing: -0.015em;
}
.hero__subtitle {
  color: var(--c-muted);
  font-size: 1.05rem;
  margin: 0;
}
.hero__bio {
  margin-top: 1rem;
  font-size: 1.02rem;
  line-height: 1.8;
  color: var(--c-text);
}
.hero__bio p { margin: 0.75rem 0; }

/* -------- Section -------- */
.section { margin: 2rem 0; }
.section--tight { margin: 1.25rem 0; }

/* Page meta line (last-updated etc.) */
.page-meta {
  color: var(--c-muted);
  font-size: 0.85rem;
  font-variant-numeric: tabular-nums;
  margin: 0 0 1rem;
}

/* Inline notice block: emphasized red-tinted paragraph */
.notice {
  margin: 0.5rem 0;
  padding: 0.6rem 0.85rem;
  background: #fef2f2;
  border-left: 3px solid #dc2626;
  border-radius: var(--radius-sm);
  color: #7f1d1d;
  font-size: 0.94rem;
  line-height: 1.65;
}
.notice strong { color: #991b1b; }
.notice a { color: #b91c1c; font-weight: 600; }
.notice a:hover { color: #7f1d1d; }

/* -------- Recruitment callout -------- */
.callout {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin: 1.5rem 0 2rem;
  padding: 0.85rem 1.1rem;
  background: linear-gradient(180deg, #fdf6ec 0%, #fbf2e3 100%);
  border: 1px solid #e8d8b3;
  border-radius: var(--radius);
  font-size: 0.95rem;
  line-height: 1.6;
}
.callout__badge {
  flex-shrink: 0;
  display: inline-block;
  padding: 0.2rem 0.55rem;
  background: #b45309;
  color: #fff;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.callout__text {
  margin: 0;
  color: #6b4019;
}
.callout__text a {
  color: #92400e;
  font-weight: 600;
  margin-left: 0.5rem;
  white-space: nowrap;
}
.callout__text a:hover { color: #6b4019; text-decoration: underline; }
@media (max-width: 540px) {
  .callout { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
}

/* -------- Research topic grid -------- */
.topic-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.85rem;
  margin-top: 1rem;
}
.topic-card {
  padding: 0.85rem 1rem;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.topic-card:hover {
  border-color: var(--c-link);
  transform: translateY(-1px);
}
.topic-card__title {
  margin: 0 0 0.3rem;
  font-size: 0.98rem;
  color: var(--c-heading);
  text-transform: none;
  letter-spacing: 0;
}
.topic-card__desc {
  margin: 0;
  color: var(--c-muted);
  font-size: 0.88rem;
  line-height: 1.6;
}

/* -------- Project cards --------
   Layout: one wide "featured" card on top, the rest in equal columns
   below. Heights match naturally — no awkward gaps. */
.project-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
  margin-top: 1rem;
  align-items: start;
}
@media (min-width: 720px) {
  .project-grid { grid-template-columns: repeat(3, 1fr); }
  /* Feature card spans the full width as a hero card. */
  .project-card--feature { grid-column: 1 / -1; }
}
.project-card {
  display: flex;
  flex-direction: column;
  padding: 0.9rem 1rem;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  color: var(--c-text) !important;
  transition: border-color 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
  text-decoration: none !important;
}
.project-card:hover {
  border-color: var(--c-link);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}
.project-card__head {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.4rem;
}
.project-card__name {
  font-weight: 700;
  color: var(--c-heading);
  font-size: 1.02rem;
  letter-spacing: -0.005em;
}
.project-card__badge {
  display: inline-block;
  padding: 0.1rem 0.45rem;
  background: var(--c-surface-2);
  color: var(--c-muted);
  font-size: 0.72rem;
  border-radius: 999px;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.project-card__desc {
  margin: 0 0 0.6rem;
  color: var(--c-muted);
  font-size: 0.88rem;
  line-height: 1.55;
  flex: 1;
}
.project-card__repos {
  list-style: none;
  padding: 0;
  margin: 0.25rem 0 0.75rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 0.35rem;
}
.repos-loading {
  font-size: 0.82rem;
  color: var(--c-muted);
  font-style: italic;
  padding: 0.3rem 0.5rem;
}
.repo-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.6rem;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  font-size: 0.83rem;
  min-width: 0;
}
.repo-name {
  font-family: var(--f-mono);
  color: var(--c-heading);
  font-size: 0.82rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.repo-stars {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  color: var(--c-muted);
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
}
.repo-stars svg { color: #f59e0b; width: 12px; height: 12px; }

.project-card__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: auto;
}
.project-card__stars {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.85rem;
  color: var(--c-muted);
  font-variant-numeric: tabular-nums;
}
.project-card__stars svg {
  color: #f59e0b;
  flex-shrink: 0;
}
.project-card__stars .stars-count {
  font-weight: 600;
  color: var(--c-text);
}
.project-card__stars[data-loaded="error"] { display: none; }
.project-card__link {
  font-size: 0.85rem;
  color: var(--c-link);
  font-weight: 600;
}
.project-card:hover .project-card__link { color: var(--c-link-h); }

/* -------- Timeline lists (news, awards, services, pubs) -------- */
.news,
.list-academic,
.service-list,
.pub-list {
  list-style: none;
  padding: 0;
  margin: 0;
  border-left: 2px solid var(--c-rule);
}
.news__item,
.list-academic > li,
.service-list > li,
.pub-list > li {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 1rem;
  padding: 0.55rem 0 0.55rem 1.25rem;
  margin-left: -1px;
  position: relative;
  font-size: 0.96rem;
  line-height: 1.7;
  border-bottom: none;
}
.news__item::before,
.list-academic > li::before,
.service-list > li::before,
.pub-list > li::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 1.1rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-bg);
  border: 2px solid var(--c-muted);
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.news__item:hover::before,
.list-academic > li:hover::before,
.service-list > li:hover::before,
.pub-list > li:hover::before {
  border-color: var(--c-link);
}
.news__date,
.list-academic .year,
.service-list .service__year,
.pub-list .entry__year {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  color: var(--c-muted);
  font-size: 0.88rem;
  padding-top: 0.1rem;
}
.news__text { color: var(--c-text); }
@media (max-width: 520px) {
  .news__item,
  .list-academic > li,
  .service-list > li,
  .pub-list > li {
    grid-template-columns: 1fr;
    gap: 0.15rem;
  }
  .news__date,
  .list-academic .year,
  .service-list .service__year,
  .pub-list .entry__year { font-size: 0.82rem; }
}

/* -------- Two-column layout (e.g. selected pubs + book box) -------- */
.split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 760px) {
  .split { grid-template-columns: 1fr 240px; }
}

/* -------- Aside box (book promotion) -------- */
.aside-box {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  font-size: 0.9rem;
  line-height: 1.6;
}
.aside-box img {
  width: 100%;
  border-radius: var(--radius-sm);
  margin-bottom: 0.75rem;
}
.aside-box p { margin: 0.4rem 0; font-size: 0.88rem; }
.aside-box h3 {
  margin-top: 0;
  font-size: 0.95rem;
  text-transform: none;
  letter-spacing: 0;
  color: var(--c-heading);
}
.aside-box h3 a { color: inherit; }
.aside-box h3 a:hover { color: var(--c-link); text-decoration: none; }

/* Inline variant: float-left so the bio text wraps around it. */
.aside-box--inline {
  float: left;
  width: 200px;
  margin: 0.25rem 1.5rem 0.75rem 0;
}
@media (max-width: 640px) {
  .aside-box--inline {
    float: none;
    width: 100%;
    margin: 0 0 1rem;
  }
}
/* The hero needs to clear its floated child so the following section
   starts below the book. */
.hero { overflow: hidden; }

/* (list-academic shares timeline base above) */

/* -------- Courses -------- */
.course-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.course-list li {
  padding: 0.55rem 0;
  border-bottom: 1px dashed var(--c-border);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 0.9rem;
}
.course-list li:last-child { border-bottom: none; }
.course-list .course__title {
  font-weight: 600;
  color: var(--c-heading);
}
.course-list .course__note {
  color: var(--c-muted);
  font-size: 0.92rem;
}

/* -------- Services -------- */
.service-list .service__org { color: var(--c-text); }
.service-list .service__role {
  color: var(--c-muted);
  font-size: 0.88rem;
}

/* -------- Students page -------- */
.page-intro {
  margin: 0 0 1.5rem;
  padding: 0.85rem 1rem;
  background: var(--c-surface);
  border-left: 3px solid var(--c-link);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--c-text);
  font-size: 0.95rem;
  line-height: 1.7;
}

.students-group {
  display: grid;
  grid-template-columns: 5rem 1fr;
  gap: 0.5rem 0.85rem;
  align-items: start;
  margin: 0.45rem 0;
}
.students-group__label {
  display: block;
  font-size: 0.74rem;
  font-weight: 700;
  padding: 0.22rem 0.5rem;
  border-radius: 10px;
  text-align: center;
  letter-spacing: 0.02em;
  margin-top: 0.2rem;
  line-height: 1.35;
  white-space: normal;
  word-break: keep-all;
  background: var(--c-surface-2);
  color: var(--c-muted);
}
.students-group__label--phd      { background: #fef3c7; color: #92400e; }  /* amber */
.students-group__label--phd-cz   { background: #f3e8ff; color: #6b21a8; }  /* violet - 创智 */
.students-group__label--ms       { background: #e0e7ff; color: #3730a3; }  /* indigo */
.students-group__label--ug       { background: #dcfce7; color: #166534; }  /* green */
.students-group__label--visiting { background: #fce7f3; color: #9d174d; }  /* pink */

.students-group__names {
  margin: 0;
  line-height: 1.85;
  color: var(--c-text);
  font-size: 0.95rem;
}
.students-group__names .annot,
.visiting-students .annot {
  font-size: 0.82em;
  color: var(--c-muted);
}
.students-group__names .tag,
.visiting-students .tag {
  font-weight: 600;
}
.students-group__names .tag--shuobo,
.visiting-students .tag--shuobo   { color: #b45309; }  /* 硕博 - amber */
.students-group__names .tag--zhibo,
.visiting-students .tag--zhibo    { color: #1d4ed8; }  /* 直博 - blue */
.students-group__names .tag--zhuobo,
.visiting-students .tag--zhuobo   { color: #7c2d92; }  /* 卓博 - magenta */
.students-group__names .tag--cz,
.visiting-students .tag--cz       { color: #6b21a8; }  /* 创智 - violet */
.students-group__names .tag--pujiang,
.visiting-students .tag--pujiang  { color: #0f766e; }  /* 浦江联培 - teal */
.students-group__names .dest,
.visiting-students .dest {
  cursor: help;       /* hover to see "毕业去向" tooltip */
}

.visiting-students {
  margin: 0;
  padding: 0.85rem 1rem;
  background: var(--c-surface);
  border-radius: var(--radius);
  font-size: 0.95rem;
  line-height: 1.7;
}

@media (max-width: 520px) {
  .students-group { grid-template-columns: 1fr; gap: 0.15rem; }
  .students-group__label { justify-self: start; }
}

/* -------- Publication entries (pubs.html) -------- */
.entry { transition: background 0.15s ease; }
.pub-list > li.entry { border-radius: var(--radius-sm); }
.entry:hover { background: var(--c-surface); }
.entry.show.highlight { background: #fff8dc; }
.entry__body { min-width: 0; }
.entry__body > a { font-size: 0.88rem; white-space: nowrap; }

.entry > strong:first-of-type,
.entry > strong font[color="#0071BF"],
.paper-title {
  color: var(--c-heading);
  font-weight: 600;
}
.entry a {
  font-size: 0.88rem;
  color: var(--c-link);
  white-space: nowrap;
}

.author {
  color: var(--c-muted);
  font-size: 0.92rem;
  margin-top: 0.2rem;
}
.author strong { color: var(--c-text); }

.abstract, .review, .bibtex {
  margin: 0.5rem 0 0.7rem 1rem;
  padding: 0.75rem 1rem;
  background: var(--c-surface);
  border-left: 3px solid var(--c-link);
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  line-height: 1.65;
}
.bibtex pre {
  margin: 0.4rem 0 0;
  padding: 0.6rem;
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  font-family: var(--f-mono);
  font-size: 0.82rem;
  line-height: 1.5;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
}
.noshow { display: none; }

/* -------- Override deprecated <font> tags to fit palette -------- */
font[color="#ff6666"], font[color="#FF6666"] { color: var(--c-accent) !important; font-weight: 600; }
font[color="#0071BF"], font[color="#0071bf"] { color: var(--c-heading) !important; }

/* -------- Footer -------- */
.site-footer {
  border-top: 1px solid var(--c-border);
  padding: 1.25rem 2rem;
  color: var(--c-muted);
  font-size: 0.86rem;
  text-align: center;
  background: var(--c-bg);
}
.site-footer a { color: var(--c-muted); }
.site-footer a:hover { color: var(--c-link); }
.site-footer__sep { margin: 0 0.5rem; opacity: 0.5; }

/* -------- Icons (icomoon, kept for compatibility) -------- */
@font-face {
  font-family: 'icomoon';
  src: url('/icomoon.eot?ci3t36');
  src: url('/icomoon.eot?ci3t36#iefix') format('embedded-opentype'),
       url('/icomoon.ttf?ci3t36') format('truetype'),
       url('/icomoon.woff?ci3t36') format('woff');
  font-weight: normal;
  font-style: normal;
}
[class^="icon-"], [class*=" icon-"] {
  font-family: 'icomoon';
  speak: none;
  font-style: normal;
  font-weight: normal;
  font-variant: normal;
  text-transform: none;
  line-height: 1;
  font-size: 1.05em;
  vertical-align: -0.05em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
.icon-pengyouquan:before     { content: "\e900"; }
.icon-wechat:before          { content: "\e91a"; }
.icon-weibo:before           { content: "\e91b"; }
.icon-zhihu-square:before    { content: "\e91c"; }
.icon-share-alternitive:before { content: "\e91d"; }
.icon-share2:before          { content: "\e91f"; }
.icon-google-plus:before     { content: "\e920"; }
.icon-facebook2:before       { content: "\e921"; }
.icon-titter:before          { content: "\e922"; }
.icon-feed2:before           { content: "\e923"; }
.icon-github:before          { content: "\e925"; }
.icon-linkedin:before        { content: "\e929"; }
.icon-chrome:before          { content: "\e92a"; }

/* -------- Print -------- */
@media print {
  .site-nav, .site-footer, .aside-box { display: none; }
  .site-header { position: static; box-shadow: none; }
  .page { box-shadow: none; }
  body { background: white; }
}